Home / 2,420,366.54-3,628,294.46-821,836.60

Finding the Fourth Proportional to 2,420,366.54, 3,628,294.46 and 821,836.60

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Solution

The fourth proportional to 2,420,366.54, 3,628,294.46 and 821,836.60 is: 1,231,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420,366.54 : 3,628,294.46 = 821,836.60 : x
  2. Step 2: Convert to fraction form
    2,420,366.54/3,628,294.46 = 821,836.60/x
  3. Step 3: Cross multiply
    2,420,366.54x = 3,628,294.46 × 821,836.60
  4. Step 4: Simplify right side
    2,420,366.54x = 2,981,865,182,805.24
  5. Step 5: Solve for x
    x = 2,981,865,182,805.24/2,420,366.54
  6. Step 6: Final answer
    x = 1,231,989.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.